Home / 91,818.69-137,712.18-24,351.21

Finding the Fourth Proportional to 91,818.69, 137,712.18 and 24,351.21

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Solution

The fourth proportional to 91,818.69, 137,712.18 and 24,351.21 is: 36,522.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,818.69 : 137,712.18 = 24,351.21 : x
  2. Step 2: Convert to fraction form
    91,818.69/137,712.18 = 24,351.21/x
  3. Step 3: Cross multiply
    91,818.69x = 137,712.18 × 24,351.21
  4. Step 4: Simplify right side
    91,818.69x = 3,353,458,214.74
  5. Step 5: Solve for x
    x = 3,353,458,214.74/91,818.69
  6. Step 6: Final answer
    x = 36,522.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.